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- Multiple ChoicePlease save your changes before editing any questions._______ is a part of a group being surveyed.SamplePopulationRandom SampleQuartile
- Multiple ChoicePlease save your changes before editing any questions._________ is a sample in which each individual or object in the entire population has na equal chance of being selected.SamplePopulationRandom SampleQuartile
- Multiple ChoicePlease save your changes before editing any questions._______ is the entire group of objects or individuals considered for a survey.SamplePopulationRandom SampleQuartile
- Multiple ChoicePlease save your changes before editing any questions.The TV station wants to get the opinion of viewers on the look of a new game-show set. The station's staff calls random people in the phone book. Is this biased or unbiased?BiasedUnbiased
- Multiple ChoicePlease save your changes before editing any questions.
A student wants to know which type of pizza the students at his high school prefer. Which option would give an unbiased, representative sample:

Asking all the students in the hot lunch line.

Asking 10 random students from each homeroom.

Asking every other student who gets off a school bus.

Asking all the 10th graders.

- Multiple ChoicePlease save your changes before editing any questions.At a middle school, the 7th graders will conduct a survey for where to go on a field trip. Which method will result in the
*least*biased decision?to randomly ask 8th grade students who went on a field trip last yearto randomly choose some 7th grade students to select a locationto ask all 7th grade teachers and administrators for a locationto ask the student council to choose a location - Multiple ChoicePlease save your changes before editing any questions.
14 7th graders

28 7th graders

35 7th graders

42 7th graders

- Multiple ChoicePlease save your changes before editing any questions.
River Bluff High School has a student population of 3020. In a sample of 250 students, 170 of them were female athletes. Approximately how many students in the entire population should be female athletes?

170

205

2,054

2,770

- Multiple ChoicePlease save your changes before editing any questions.
Several students were surveyed about their favorite drinks. 22 said orange soda, 34 Pepsi, 40 coke, and 29 grape soda. Predict how many students will like coke if 500 students are surveyed?

12.5

40

160

167

- Multiple ChoicePlease save your changes before editing any questions.In order to find the median, the data must be sorted from least to greatest first.TrueFalse
- Multiple ChoicePlease save your changes before editing any questions.The number of miles that Jenna cycled each week for a 7-week period is shown:

36, 42, 28, 52, 48, 36, 31

What is the median number of miles Jenna cycled?24363952 - Multiple ChoicePlease save your changes before editing any questions.The number of pages that Carolyn wrote in her journal each day from Monday to Friday is shown below:

9, 8, 12, 6, 10

What is the mean number of pages she wrote per day?56911 - Multiple ChoicePlease save your changes before editing any questions.If you have two numbers in the middle, you shouldadd them together and divide by twofind the number in between the twofind the mean of the two numbersall of these
- Multiple ChoicePlease save your changes before editing any questions.Find the mean.81079
- Multiple ChoicePlease save your changes before editing any questions.
What is the first quartile?

4

5

6

7

- Multiple ChoicePlease save your changes before editing any questions.
What is the third quartile?

4

5

6

7

- Multiple ChoicePlease save your changes before editing any questions.
What is the interquartile range?

3

6

4

5

- Multiple ChoicePlease save your changes before editing any questions.
What is the third quartile?

7

6

8

3

- Multiple ChoicePlease save your changes before editing any questions.
**The table shows the points earned by contestants in a competition. Find the range and the interquartile range of the points.**Range: 15; IQR: 13

Range: 15; IQR: 12

Range: 15; IQR: 11

Range: 15; IQR: 10

- Multiple ChoicePlease save your changes before editing any questions.
**Calculate the interquartile range of the following data: 17, 18, 18, 19, 20, 21, 21, 23, 25**3

8

4

5

- Multiple ChoicePlease save your changes before editing any questions.What is the first step when calculating the Mean Absolute Deviation?Find the distance each value is from the meanFind the mean of the distancesFind the mean of the dataa
^{2}_{}+b^{2}=c^{2} - Multiple ChoicePlease save your changes before editing any questions.Determine the mean absolute deviation of the data. 9, 7, 11, 10, and 8961.25
- Multiple ChoicePlease save your changes before editing any questions.What is the second step when calculating the Mean Absolute Deviation?Find the difference between each value and the meanFind the mean of the distancesFind the mean of the data
- Multiple ChoicePlease save your changes before editing any questions.What is the third step when calculating the Mean Absolute Deviation?Find the distance each value is from the meanFind the mean of the differencesFind the mean of the data
- Multiple ChoicePlease save your changes before editing any questions.Find the Mean Absolute Deviation: 10, 9, 3, 8, 10. The Mean is 83512
- Multiple ChoicePlease save your changes before editing any questions.What is the interquartile range (IQR)?464608
- Multiple ChoicePlease save your changes before editing any questions.Which box and whisker plot has the highest median?Top plotBottom plot
- Multiple ChoicePlease save your changes before editing any questions.
What is the interquartile range (IQR)?

20

25

30

50